Countdown Stopwatch app icon

Apps Like Countdown Stopwatch for iPhone and iPad

by Kristofer Shamloo★ 5.02 ratingsUtilities$1.99Data updated 2026-09-06

Countdown Stopwatch screenshots

Ranked alternatives

Showing 921–940 of 1,000 ranked alternatives.

  1. TestTone app icon

    TestTone

    博 武田

    Audio test signal generator for music.

    The app generates sine, triangle, sawtooth, and square waves from 20 Hz to 20 kHz. It also produces white noise and pink noise, with manual frequency input and waveform selection.

    ★ 0.00 ratingsMusic$1.99Data updated 2026-09-15
  2. CALCOs app icon

    CALCOs

    Sportrade OU

    Calculate, edit, and solve equations

    Calco performs basic arithmetic operations including addition, subtraction, multiplication, and division. It saves calculation history for review, copying, or reuse. The interface is clean and focused for quick, distraction-free use.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.